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8086 works in multiprocessing mode with the help of :

  • A.Virtual memory
  • B.DMA mode
  • C.Max mode
  • D.Minimum mode

Answer: C

The 8086 works in multiprocessing mode with the help of max mode.

The 8086 has two modes, selected by the MN/MX pin. In minimum mode (pin high) it generates all bus control signals itself and is used as the only processor. In maximum mode (pin low) the bus control signals are produced by the 8288 bus controller, and pins such as RQ/GT and LOCK let the 8086 share the system bus with coprocessors like the 8087 and other processors, a multiprocessor configuration.

Minimum mode is for single-processor systems. Virtual memory is not a feature of the 8086, and DMA is a data transfer method, not a processor mode.

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